noun Physiology.

the passage of blood cells, especially leukocytes, through the unruptured walls of the capillaries into the tissues.

Origin of diapedesis

1615–25; < New Latin < Greek diapḗdēsis a leaping through, equivalent to diapēdē- (verbid stem of diapēdân to leap through) + -sis -sis
Related formsdi·a·pe·det·ic [dahy-uh-pi-det-ik] /ˌdaɪ ə pɪˈdɛt ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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Historical Examples of diapedesis

British Dictionary definitions for diapedesis



the passage of blood cells through the unruptured wall of a blood vessel into the surrounding tissues
Derived Formsdiapedetic (ˌdaɪəpəˈdɛtɪk), adjective

Word Origin for diapedesis

C17: New Latin, from Greek: a leaping through, from diapēdan to spring through, from dia- + pēdan to leap
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

diapedesis in Medicine




The movement or passage of blood cells, especially white blood cells, through intact capillary walls into surrounding body tissue.migration
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.